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(17) Install and connect the five high–pressure fuel lines to the fuel injection pump. Also connect fuel (18) Install electrical connector at engine coolant temperature sensor. (19) Connect electrical connector at fuel shutdown solenoid. (20) Connect the main engine wiring harness to the glow plugs. (21) Connect the fuel timing solenoid pigtail har- ness to the engine wiring harness. (22) Connect the overflow valve/banjo fitting (fuel return line assembly). Replace copper gaskets before (23) Connect the rubber fuel return and supply hoses to metal lines at pump. Tighten hose clamps to (24) Install the generator assembly. Refer to Group 8C, Charging System for the procedure. (25) Install the engine accessory drive belt. Refer to Group 7, Cooling System for the procedure. (26) Position the gasket and Install the intake air duct on the intake manifold. Torque the bolts to 27 (27) Install the intercooler outlet hose on the inter- cooler. (28) Connect the negative battery cable. ing temperature. (30) Check for fuel leaks. FUEL INJECTORS Four fuel injectors are used on each engine. Of these four, two different types are used. The fuel REMOVAL (1) Disconnect negative battery cable at battery. with compressed air. (3) Remove the fuel drain hoses (tubes) at each injector (Fig. 37) being serviced. Each of these hoses (4) Remove the high–pressure fuel line at injector being removed. Refer to High–Pressure Fuel Lines in (5) Remove the injector using special socket tool number VM.1012B. When removing cylinder number (6) Remove and discard the copper washer (seal) at bottom of injector (Fig. 36). Fig. 36 Fuel Injector Sensor — #1 Cylinder 1 – NEEDLE MOVEMENT SENSOR Fig. 37 Fuel Injector—Typical 1 – FUEL INJECTOR 14 - 20 FUEL SYSTEM—3.1L DIESEL ENGINE WJ REMOVAL AND INSTALLATION (Continued) 2000 JEEP GRAND CHEROKEE |